Home / Accessory-Magazines / Derya MAGAZINE DY SERIES 12GA 21RD View cart “Warne M&P 9/40 MAG EXTENSION BLK” has been added to your cart. Sale! Derya MAGAZINE DY SERIES 12GA 21RD$11900 Original price was: $11900.$9210Current price is: $9210. In stock Derya MAGAZINE DY SERIES 12GA 21RD quantity Add to cart SKU: D055039 Category: Accessory-Magazines Product ID: 121720 Description Description Also Fits RIA VR Series Related products Warne CZ 75 9MM MAG EXTENTION +5 GRY $4449 Ruger MOON CLIPS GP100 10MM 3-PACK $1695 Sale! Warne GLOCK 19/23 MAG EXT +5/+4 GRY $5449 Original price was: $5449.$5201Current price is: $5201. Sale! Warne M&P 9/40 MAG EXTENSION BLK $4999 Original price was: $4999.$4869Current price is: $4869.